condition mean min max 4 h after light 1565.0 1565.0 1565.0 8 h after light 1320.45 1247.2 1393.7 12 h after light 1675.55 1224.5 2126.6 4 h after dark 2033.6499999999999 1886.6 2180.7 8 h after dark 2117.3 1901.7 2332.9 12 h after dark 1628.9 1306.9 1950.9